Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Reserva de búfers | Estado del InnoDB ]

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2026-06-22 22:09:23 0x3f7c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 35 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 682 srv_active, 0 srv_shutdown, 44468 srv_idle
srv_master_thread log flush and writes: 45150
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 12115
OS WAIT ARRAY INFO: signal count 987
RW-shared spins 436, rounds 12408, OS waits 396
RW-excl spins 15, rounds 118, OS waits 3
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 28.46 RW-shared, 7.87 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 23147
Purge done for trx's n:o < 23147 undo n:o < 0 state: running
History list length 16
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283792854938176, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854934008, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854929840, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854925672, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854921504, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854917336, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854913168, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
3262 OS file reads, 10601 OS file writes, 5228 OS fsyncs
0.31 reads/s, 16384 avg bytes/read, 1.37 writes/s, 0.83 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
 insert 0, delete mark 0, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
2.74 hash searches/s, 5.54 non-hash searches/s
---
LOG
---
Log sequence number 12517837
Log flushed up to   12517837
Pages flushed up to 12517837
Last checkpoint at  12517828
0 pending log flushes, 0 pending chkp writes
3220 log i/o's done, 0.57 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 95152
Buffer pool size   1003
Free buffers       743
Database pages     256
Old database pages 0
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 3221, created 194, written 6616
0.31 reads/s, 0.00 creates/s, 0.71 writes/s
Buffer pool hit rate 978 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 256, unzip_LRU len: 0
I/O sum[36]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4660, Main thread ID=7768, state: sleeping
Number of rows inserted 6, updated 1756, deleted 0, read 31105
0.00 inserts/s, 0.31 updates/s, 0.00 deletes/s, 2.60 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 5553
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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